CN107484425B

CN107484425B - Flexible display device

Info

Publication number: CN107484425B
Application number: CN201680014700.3A
Authority: CN
Inventors: 夏新元
Original assignee: Shenzhen Royole Technologies Co Ltd
Current assignee: Shenzhen Royole Technologies Co Ltd
Priority date: 2016-03-30
Filing date: 2016-03-30
Publication date: 2020-08-28
Anticipated expiration: 2036-03-30
Also published as: WO2017166143A1; CN107484425A

Abstract

The invention provides a flexible display device which comprises a display screen main body and a base, wherein the display screen main body comprises a head end and a tail end, the base comprises a plurality of outer surfaces formed by sequentially connecting planes end to end, the head end of the display screen main body is fixed with the outer surface of the base, the display screen main body is wound on the base, and the tail end is positioned on the outer side of the display screen main body. This application flexible display screen can roll up and carry on the base of being convenient for, can separate with the base again, the user of being convenient for uses.

Description

Flexible display device

Technical Field

The invention relates to the field of electronic communication, in particular to a flexible display device.

Background

Electronic devices such as mobile phones, handheld computers, and notebooks are widely used in life, users generally operate the electronic devices through a touch screen or an external keyboard, and with the development of high technology, consumers have increasingly high requirements for portability and diversification of the electronic devices. For example, the electronic device is reduced in size, is convenient to carry, and is provided with a touch screen to improve operability. The touch-control flexible display device can be contracted in size and is convenient to carry, and has wide application prospect in the future.

Existing flexible displays typically include a roll of tape and a flexible display screen that is rolled up inside the roll of tape. When the flexible display screen needs to be used, the flexible display screen is pulled out of the reel and is unfolded. However, the end of the flexible display is substantially fixed in the roll and cannot be separated from the roll, which results in inflexible use.

Disclosure of Invention

The embodiment of the invention provides a flexible display device which is flexible to use.

The application provides a flexible display device, but its display module and base including alternate segregation, display module includes head end and tail end, the base is including supplying the display module to paste the surface of establishing, and display module includes rolling state and expansion state, and when the rolling state, the display module head end with the surface of base is connected, the display module twine in the surface of base.

This application flexible display screen can the roll-up carry of being convenient for on the base, can separate with the base again, the user of being convenient for uses, can realize the nimble operation of display screen and base.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of a flexible display device provided by the present invention, wherein the flexible display device is in a rolled state.

Fig. 2 is a schematic view of a display screen main body of the flexible display device shown in fig. 1.

Fig. 3 is a schematic view of a base of the flexible display device shown in fig. 1.

Fig. 4 is a schematic view of the flexible display device of the present invention unfolded and supported by a base.

Fig. 5 is a schematic view of an embodiment of the flexible display device shown in fig. 1 provided with two support bodies.

Fig. 6 is a schematic view of the flexible display device shown in fig. 5 being set in a bent state.

Fig. 7 is a schematic view of an embodiment of the flexible display device shown in fig. 5 provided with a plurality of support bodies.

Fig. 8 and 9 are schematic views of the flexible display device shown in fig. 5 provided with different positioning members.

Fig. 10 is an enlarged schematic view of a part of the structure shown in fig. 9.

Fig. 11 is a schematic view of another embodiment of the flexible display device shown in fig. 5.

Fig. 12 is a schematic view of the flexible display device shown in fig. 1 supported by a base after being partially folded.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

The present invention provides a flexible display device, which is applied to, but not limited to, a mobile phone, a tablet computer, a palmtop computer, a Personal Digital Assistant (PDA), an electronic reader, and the like, and is not limited in this respect.

Referring to fig. 1, the flexible display device of the present application includes a display panel assembly and a base 30, which are separable from each other, the display panel assembly including a display panel main body 10 and a support main body 20. The base 30 includes an outer surface 31 for the display module to be attached to, and the display module includes a rolled state and an unfolded state. When the rolling state, the display component head end with the surface of base is connected, the display component twines in the surface of base. In the deployed state, the display assembly operates independently with the processor. The display assembly comprises a front face and a back face opposite to the front face, wherein the display face of the display assembly faces the outer surface of the base when the display assembly is in a rolling state, and the back face of the display assembly deviates from the outer surface of the base. When the display assembly is in a rolling state, the front surface of the display assembly is in direct contact with the outer surface of the base. As shown in fig. 4, in the unfolded state, the back surface of the display module is in contact with the outer surface of the base, and the base supports the display module. In the unfolded state, the display assembly is obliquely abutted against the base.

Referring to fig. 2 and 3, in particular, the display screen main body 10 is a rectangular flexible display screen, the support main body 20 is a flat plate for supporting the display screen main body 10 so that the display screen can bear touch force when a user operates the display screen, and the support main body 20 can be wound on the base 30 along with the display screen main body 10. It is understood that the support body 20 may be omitted and the display screen body 10 is directly wound on the base 30. In the present embodiment, the supporting body 20 and the display main body 10 are combined with the base 30 as an example. Display screen main part 10 includes head end 12 and tail end 13, base 30 includes a plurality of surface 31 that form by the plane end to end connection in proper order, display screen main part 10 head end 12 with the surface 31 of base 30 is fixed, display screen main part 10 twine layer by layer on the surface 31 of base 30, tail end 13 is located the outside of display screen main part 10.

Referring to fig. 3, in the present embodiment, the base 30 is a hollow cylindrical body, specifically a six-sided prism, and each surface thereof is a plane and forms the outer surface 31 together. The display screen body 10 is wound on the base 30 around the base 30 in an axial direction. The tail end 13 is positioned at the outer side of the display screen main body 10, and refers to the outermost side of the display screen main body 10 after being wound for several turns. One end of the base 30 is provided with a loudspeaker 33, the other end is provided with a charging plug 34, and the charging plug is arranged in the base 30 in a drawing mode and can be drawn out when in use. The speaker 33 may be electrically connected to the display main body 10 to serve as a power amplifier speaker. The charger plug 34 may be a charging power source as the display main body 10.

Referring to fig. 5 and fig. 6, in the present embodiment, the display screen main body 10 includes a display surface and a back surface (not labeled) opposite to the display surface, one side of the supporting main body 20 is a supporting surface 21, and the other side opposite to the supporting surface 21 is provided with two adjacent supporting bodies, which are a first supporting body 22 and a second supporting body 23 respectively. The display screen main body 10 is tiled and fixed on the support main body 20, the back surface of the display screen main body is attached to the support surface 21, and when the display screen main body 10 is unfolded, the opposite side edges of the first support body 22 and the second support body 23 are abutted to support the display screen main body 10. When the display screen main body 10 is folded, the support main body 20 is separated as the display screen main body 10 is bent and the sides of the first and

second supports

22 and 23 opposite to each other are opened. In this embodiment, the supporting body 20 is made of rubber material. The support main body 20 has a hardness greater than that of the display main body 10. The support body 20 is formed in a flat plate shape and is integrally formed, and the first support body 22 and the second support body 23 are formed by cutting the surface of the support body 20 into the support body 20. In other embodiments, the support body 20 includes a flat plate body (not shown), the support surface 21 is one surface of the flat plate body, and the first support 22 and the second support 23 are plate bodies attached to the surface of the flat plate body opposite to the support surface 21 by means of adhesion. When the display screen body 10 is wound on the base 30, the support body 20 faces away from the outer surface 31.

Referring to fig. 4, when the flexible display screen is used, the display screen main body 10 is flattened, so that the display screen can be operated, and the support main body can also support the display screen main body, so that the screen has sufficient touch hardness. One surface of the base 30 can be supported on a desktop isoplanar, and one side of the display screen main body 10 provided with the supporting main body 20 is abutted against the base 30, so that the display screen main body 10 is supported on the plane at an inclined angle, and a user can operate the display screen. When carrying the flexible display, the head end 12 of the display main body 10 is fixed to the base 30, and then wound around the outer surface 31, and finally the tail end 13 is fixed to the base 30. The flexible display screen can be rolled on the base to be convenient to carry and can be separated from the base, meanwhile, the base can be used as a support, a user can use the flexible display screen conveniently, and flexible operation of the display screen and the base can be achieved.

Further, a processor and a battery are arranged inside the base 30, and the processor can be electrically connected with the display screen main body 10; in the deployed state, the display assembly operates with the processor of the base 30. Since the inner space of the base 30 is relatively large, a large-capacity battery and a processor with higher performance can be accommodated, the inner space of the display main body 10 can be saved, and the performance of the flexible display can be improved. The outer surface 31 of the base 30 is provided with an interface, and the head end 12 is provided with a plug electrically connected with the interface; or a plug is arranged on the outer surface 31 of the base 30, and the head end 12 is provided with an interface electrically connected with the plug. In this embodiment, the outer surface 31 of the base 30 is provided with an interface 32, and the head end 12 is provided with a plug 14 electrically connected to the interface 32. The interface 32 is electrically connected to the plug 14 to electrically connect the processor, the battery and the display screen main body 10.

Further, the outer surface 31 of the base 30 is provided with a first connecting portion, the display screen main body 10 of the display assembly is provided with a second connecting portion, and the first connecting portion and the second connecting portion are detachably connected to achieve the electrical connection between the base 30 and the display assembly. The second connecting portion is connected with the first connecting portion when in the unfolding state, and the second connecting portion is separated from the first connecting portion when in the rolling state. Specifically, a plug (not shown) electrically connected to the interface 32 is disposed on a side of the display main body 10 opposite to the display, that is, a plug is disposed on a side of the support main body 20. When the support main body 20 supports the display screen main body 10 to be flattened, the outer surface 31 of the base 30 supports the base 30 to be placed on a plane, the support main body 20 and the base 30 support each other, so that the display screen main body 10 is supported on the plane, and at the moment, the plug is connected with the interface 32 to realize the connection of the processor and the display screen main body 10. In addition, referring to fig. 12, the interface 32 may also be located at other positions of the outer surface 31, so that when the plug is plugged into the interface 32, the display screen main body 10 takes on the shape of a notebook computer.

Furthermore, the head end 12 of the display component is fixed on the outer surface of the base 30 in a magnetic attraction manner, and the tail end 13 of the display component is fixed in a magnetic attraction manner; when in a rolling state, the tail end 13 of the display component is close to the head end, and the tail end of the display component is fixed relative to the head end 12 through magnetic attraction. Specifically, the head end 12 of the display screen main body 10 is provided with a first magnet or a hook, and the outer surface 31 of the base 30 is provided with a second magnet magnetically attracted to the first magnet or a buckle clamped with the hook. In this embodiment, the head end 12 of the display main body 10 is provided with a first magnet (not shown), the outer surface 31 of the base 30 is provided with a second magnet (not shown) magnetically attracted to the first magnet, and the first magnet and the second magnet are attracted and fixed, so that the head end 12 of the display main body 10 is fixed on the base 30.

Furthermore, the tail end 13 is provided with a third magnet (not shown), the tail end 13 is located outside the display screen main body 10 and is opposite to the head end 12 fixed on the base 30, so as to realize the adsorption of the third magnet and the first magnet or/and the second magnet, and further fix the tail end 13 on the base, in this embodiment, the tail end 13 of the wound display screen main body 10 is as close as possible to the head end, so as to obtain a stronger attraction force. It will be appreciated that the support body 20 of the display assembly includes magnetic media adjacent the trailing end 13 and the leading end 12 of the display assembly, with both the leading end 12 and the trailing end 13 of the display assembly magnetically attracted to the magnetic media 20 of the support body. Specifically, a fourth magnet is disposed in one of the two supporting bodies 20, and the fourth magnet is used for being attracted to the first magnet and the second magnet. The support body 20 with the fourth magnet is close to the head end 12 and the tail end 13, and plays a role of magnetic force medium, and is adsorbed to the first magnet and the second magnet to play a better fixing effect.

Further, the supporting bodies 20 are arranged in a plurality of rows, and the length of the supporting bodies 20 increases from the head end 12 to the tail end 13, that is, the length of the supporting body 20 near the head end 12 is smaller than the length of the supporting body 20 near the tail end 13. The support body 20 may include a plurality of first supports 22 and a plurality of second supports 23, the plurality of first supports 22 and the plurality of second supports 23 are arranged in a regular array, and one second support 23 is disposed between every two first supports 22. In the figure, taking two first supports 22 and two second supports 23 as an example, the first support 22 has the shortest length and the last second support 23 has the longest length from the head end 12 to the tail end 13. When the display screen main body 10 twines in during the base 30, the display screen main body 10 is coil-shaped, and the radius of curling increases gradually from inside to outside, the length of supporter 20 is crescent so that two outer supporter 20 can open relatively in the suitable position to with inside corresponding supporter 20 parallel arrangement, guarantee that the angle of buckling is the same and guarantee that from inside to outside laminating is inseparable.

In the present application, please refer to fig. 5 and 6 to further describe the supporting body 20. Specifically, the supporting body 20 is a plate body with the same size as the display screen main body 10 and the same thickness, the surface supporting the display screen main body 10 is the supporting surface 21, the other surface forms a rectangular area by cutting, the first supporting body 22 and the second supporting body 23 are arranged on the first supporting body 22, the second supporting body 23 includes two opposite first sides 221, and the second supporting body 23 includes two opposite second sides 231. When the support body 20 is flat, the first side 221 of the first support 22 abuts against the second side 231 of the second support 23. When the display screen main part 10 is crooked or folded to the display direction, support main part 20 along with the display screen main part 10 is crooked, the first side 221 of first supporter 22 separates and opens relatively with the second side 231 of second supporter 23, and first side 221 forms the contained angle with second side 231, provides certain bending space for display screen main part 10.

According to the flexible display device, the support main body 20 is arranged on the back of the display screen main body 10, the support main body 20 is used as a plane support when the flexible display device is used and laid flat, and the side edges of the first support body 22 and the second support body 23 are abutted against each other, so that the flexible display screen is supported; the user can operate the screen at any time and any place without searching a plane supporting screen such as a desk and the like, so that the user can conveniently touch the screen on the surface, and the use portability is improved; when the display screen main body 10 needs to be bent and folded, the sides of the first supporting body 22 and the second supporting body 23 are relatively opened, so that the flexible display device is convenient to store.

Further, the support main body 20 further includes a processor and a power supply (not shown), the processor and the power supply are disposed in the first support 22, or the processor is disposed in the first support 22, the power supply is disposed in the second support 23, and the processor and the power supply are electrically connected to the display screen main body 10. In this embodiment, the processor is disposed in the first support 22, and the power supply is disposed in the second support 23.

In another embodiment of this embodiment, referring to fig. 7, the first supporting bodies 22 are multiple and sequentially arranged, the processors are disposed in the multiple first supporting bodies 22, and the power source is disposed in the second supporting body 23. The flexible display screen has limited space, the processor is arranged in the support body, and the flexible display screen is cooperated by a plurality of processors to obtain better performance. Or, the number of the first supporting bodies 22 is one, the number of the second supporting bodies 23 is multiple, the second supporting bodies 23 are arranged in sequence, and a power supply is arranged in each second supporting body 23, so that the flexible display screen can be used for a longer time through a large number of batteries.

Referring to fig. 8, further, the supporting body 20 further includes a positioning assembly, the positioning assembly includes a first positioning body 25 and a second positioning body 26, the first positioning body 25 is disposed at an end of the first supporting body 22 facing the second supporting body 23, the second positioning body 26 is disposed at an end of the second supporting body 23 facing the first supporting body 22, and the first positioning body 25 and the second positioning body 26 cooperate to lock the first supporting body 22 and the second supporting body 23. Specifically, one end of the first support 22 facing the second support 23 is a first side 221, and one end of the second support 23 facing the first support 22 is a second side 231. In this embodiment, the first positioning element 25 and the second positioning element 26 are both magnetic elements, and the two magnetic elements are magnetically attracted to each other. The magnetic element includes any one of a magnetic field generating element (e.g., a magnet), a magnetically permeable element (e.g., metallic iron), and a magnetic field changing element (e.g., an electromagnet). The first positioning body 25 and the second positioning body 26 are preferably electromagnets. The electromagnet is powered on to generate magnetic force when the display screen is unfolded, and the electromagnet is powered off to eliminate or weaken the magnetic force when the display screen is folded, so that the display screen is convenient to fold. In this embodiment, the first positioning body 25 and the second positioning body 26 are both electromagnets, when the supporting body 20 is unfolded and flat, the first side 221 of the first supporting body 22 abuts against the second side 231 of the second supporting body 23, and the first positioning body 25 and the second positioning body 26 are magnetically attracted to fix the first supporting body 22 and the second supporting body 23, so as to ensure that the supporting body 20 is in a flat state, thereby improving the stability of the supporting body 20. It can be understood that, when the first supporting body 22 and the second supporting body 23 are plural, the two first sides 221 of the first supporting body 22 and the two second sides 231 of the second supporting body 23 are both provided with magnets. In other embodiments, the second supporting body 23 is made of a material that attracts a magnet, such as iron, and can be attracted and fixed when the first supporting body 22 contacts the second supporting body 23. It is understood that the magnetic property of the magnetic element is changeable, and at least one of the first positioning body 25 and the second positioning body 26 has a magnetic property weaker when the display screen main body 10 is folded than when the display screen main body 10 is unfolded.

Referring to fig. 9 and 10, in another embodiment, the second positioning body 26 is a hook 27 disposed at an end of the second supporting body 23, the first supporting body 22 is provided with a socket (not shown) for the hook 27 to pass through, and the first positioning body 25 includes a button 281 mounted on the first supporting body 22, a rotating shaft 282 accommodated in the first supporting body 22, a spring 283 connected to the button 281, and a push rod 284. The push rod 284 is rotatably mounted on the rotating shaft 282, a buckle 285 is arranged at one end of the push rod 284, and the push button 281 compresses the spring 283 to drive the push rod 284 to rotate so as to enable the hook 27 and the buckle 285 to be clamped or unlocked. Specifically, a socket is disposed on a first side 221 of the first supporting body 22, and the socket penetrates through the inside of the first supporting body 22. The shaft 282 is fixed in the socket, the push rod 284 and the buckle 285 are rotatably connected to the shaft 282, the button 281 is fixed on the push rod 284 and passes through a surface of the first supporting body 22 opposite to the supporting surface 21, the push rod 284 is arranged in the first supporting body 22 and fixed with one end of the button 281, and the buckle 285 is fixed at one end of the push rod 284. The push rod 284 can rotate the buckle 285 and the button 281 around the rotation shaft 282. The catch 285 and button 281 are located on opposite sides of the push rod 284. The spring 283 and the catch 284 are respectively located at two opposite ends of the push rod 284. A spring 283 is fixed to the opposite end of the push rod 284. The two ends of the spring 283 are respectively fixed on the push rod 284 of the button and the inner side wall of the first supporting body 22. When the support body 20 is extended, the first side 221 of the first support 22 abuts against the second side 231 of the second support 23, the hook 27 is inserted into the socket to push the latch 285, and the latch 285 drives the push rod 284 to rotate and compress the spring 283 until the latch 285 and the hook 27 are fastened. After the catch 285 catches the catch 27, the spring 283 recovers its deformation. If the second supporter 23 is directly bent around the first supporter 22 without pressing the button 281, the spring 283 will pull the end of the push rod 284 to prevent the push rod 284 and the latch 27 from rotating around the axle 282, so that the latch 285 cannot fall off the hook 27, thereby achieving the purpose of locking. When the supporting body 20 needs to be bent, the button 281 must be pressed first, and the compression spring 283 pushes the push rod 284 to rotate along the rotation shaft 282, so as to drive the latch 285 to rotate and unlock the latch 27, and further unlock the first supporting body 22 and the second supporting body 23.

Referring to fig. 11, further, the display screen main body 10 includes two display modules 11, two support main bodies 20 respectively support the two display modules 11, and a positioning assembly is disposed at an end of each of the two support main bodies 20 to position the two support main bodies 20 after being butted. The positioning assembly may be the positioning assembly described in the above embodiments. This structure can make flexible display device's use more nimble, and the user can increase and decrease the quantity of display module by oneself according to the demand to obtain different display effects. Moreover, the flexible display device does not need the protection of the frame, so that no obvious seam appears after the adjacent display modules 11 are joined, and the flexible display device still appears to have a continuous effect, thereby improving the visual experience.

While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.

Claims

1. A flexible display device is characterized by comprising a display assembly and a base which can be separated from each other, wherein the display assembly comprises a head end and a tail end, the base comprises an outer surface for the display assembly to be attached to, the display assembly comprises a front surface for displaying pictures and a back surface opposite to the front surface, the display assembly comprises a rolling state and an unfolding state, when in the rolling state, the head end of the display assembly is connected with the outer surface of the base, the front surface is in direct contact with the outer surface of the base, the back surface of the display assembly deviates from the outer surface of the base, and the display assembly is wound on the outer surface of the base; when the display assembly is in the unfolded state, the back surface is in direct contact with the outer surface of the base, and the display assembly is inclined to a certain angle and abuts against the base so that the base supports the display assembly.

2. The flexible display device according to claim 1, wherein the outer surface of the base is provided with a first connecting portion, the display assembly is provided with a second connecting portion, and the first connecting portion and the second connecting portion are detachably connected to electrically connect the base and the display assembly.

3. The flexible display device according to claim 2, wherein the second connecting portion is connected to the first connecting portion in the unfolded state, and wherein the second connecting portion is separated from the first connecting portion in the rolled state.

4. The flexible display device of claim 1, wherein the display assembly comprises a display screen body and a support body secured to a back side of the display screen body.

5. The flexible display device of claim 4, wherein the support body has a processor and a battery disposed therein.

6. The flexible display device of claim 5, wherein the display assembly operates independently with the processor in the expanded state.

7. The flexible display device of claim 4, wherein the base has a processor disposed therein, and wherein in the extended state the display assembly operates with the processor of the base.

8. The flexible display device as claimed in claim 4, wherein the head end of the display assembly is fixed to the outer surface of the base by magnetic attraction, and the tail end of the display assembly is fixed by magnetic attraction.

9. The flexible display device of claim 8, wherein in the rolled state, the tail end of the display assembly is adjacent to the head end, and the tail end of the display assembly is fixed relative to the head end by a magnetic attraction.

10. The flexible display device of claim 9, wherein the support body of the display assembly comprises a magnetic medium proximate the tail end and the head end of the display assembly, the head end and the tail end of the display assembly magnetically attracting the magnetic medium of the support body.

11. The flexible display device according to claim 4, wherein the support bodies are arranged in a plurality and in sequence, and a length of the support body near the head end is smaller than a length of the support body near the tail end.

12. The flexible display device according to claim 4, wherein the supporting body further comprises a positioning assembly, the supporting body comprises a first supporting body and a second supporting body, the positioning assembly comprises a first positioning body and a second positioning body, the first positioning body is disposed at an end of the first supporting body facing the second supporting body, the second positioning body is disposed at an end of the second supporting body facing the first supporting body, and the first positioning body and the second positioning body cooperate to realize locking between the first supporting body and the second supporting body.

13. The flexible display device of claim 12, wherein the first retainer and the second retainer each comprise a magnetic element, wherein the first retainer and the second retainer attract each other when the display screen body is unfolded.

14. The flexible display device of claim 13, wherein the magnetic element of at least one of the first retainer and the second retainer is magnetically alterable, wherein the magnetic properties of the at least one of the first retainer and the second retainer when the display screen body is retracted are weaker than the magnetic properties of the display screen body when the display screen body is extended.